My ranking for every game:
Platinum > Black2/white2 >Black/White > Heartgold/Soulsilver > Omega Ruby/Alpha Sapphire > Emerald > Ultra Sun/Moon = Sun/Moon > Diamond Pearl > Ruby/Sapphire > FireRed/LeafGreen >Gold/Silver/Cystal > Red/Blue/Yellow > X/Y
Bet with Intrinsic:
The Switch will outsell 3DS (based on VGchartz numbers), according to me, while Intrinsic thinks the opposite will hold true. One month avatar control for the loser's avatar.